Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Rosman's weather in September, with an average high-temperature of a still moderately hot 77.9°F (25.5°C), subtly shifts from August's 82.9°F (28.3°C). Nighttime temperatures in September average to a moderate 57.4°F (14.1°C) in Rosman, North Carolina.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 2.2" (56mm) of precipitation.Snowfall
In Rosman, North Carolina, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month in Rosman?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Rosman, NC
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Rosman, NC
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Rosman, NC
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Rosman, NC
- Average humidity in September: 76%
The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Rosman, NC
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Rosman, NC
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Rosman, NC
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rosman, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rosman, NC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Rosman, NC
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Rosman, NC
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Rosman, NC
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Rosman, NC
- Average visibility in September: 5mi
The months with the highest visibility are February, June, July, August, October and November (6mi).
The months with the lowest visibility are January, March, April, May, September and December (5mi).
Rosman, North Carolina, USA
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